{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["cause effect", "else", "message topic", "entity origin"], "input": "a huddle of photographers was waiting outside the courtroom ."}
{"cause effect": [], "else": [], "message topic": [], "entity origin": []}